/Engine/Plugins/Experimental/PhysicsControl/Source/PhysicsControl/Public/PhysicsControlComponent.h
To use this function, you should disable ticking of the Physics Control Component, and ensure that the relevant Skeletal Mesh Component (if being used) has ticked, using a tick prerequisite. Then explicitly call (in order) UpdateTargetCaches and UpdateControls as you process your tick.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=PhysicsControl) void UpdateControls ( float DeltaTime )